US3660360A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water- and oil repellency agents
Assignee: Ingredion Inc
•
Filing: 1970-06-24
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Granted: 1972-05-02
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Expires: 1990-06-24
Abstract
Abstract FLUOROALKYL-ALKOXYALKYL ACRYLATES AND METHACRYLATES COMPRISING THE REACTION PRODUCT OF A PERFLUOROALKOXYALKYL ALKANOL AND AN ACRYLIC OR METHACRYLIC ACID REAGENT. THE RESULTING MONOMERS MAY, THEREAFTER BE HOMO- OR COPOLYMERIZED WITH A WIDE VARIETY OF CONVENTIONAL ETHYLENICALLY UNSATURATED, I.E. VINYL, MONOMERS, SAID POLYMERIC MATERIALS IMPARTING BOTH WATER AND OIL REPELLENCY TO A WIDE VARIETY OF SUBSTRATES.
Inventors
- 👤 Dilip K Ray-Chaudhuri
- 👤 Carmine P Iovine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:05
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/21; D06M15/263; D06M15/277; C; C08; C08F; C08F20/00; C08F20/02; C08F20/10; C08F20/26; C08F20/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-05-02 | 1975-11-01 | 1976-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-05-02 | 1979-11-01 | 1980-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-05-02 | 1983-11-01 | 1984-05-02 | $7700.00 | Window Closed / Lapsed |